Novelo-Gutiérrez, R. & Sites, R.W. (2019)

The larvae of Phaenandrogomphus Lieftinck, 1964 in Thailand, including the description of P. tonkinicus (Fraser, 1926) with a larval diagnosis and new province records of P. asthenes Lieftinck, 1964 (Odonata: Gomphidae)

. Zootaxa, 4700 (3), 377–384.